public int wkhtmltopdf_set_error_callback(IntPtr converter, [MarshalAs(UnmanagedType.FunctionPtr)] StringCallback callback) => WkHtmlToXBindings.wkhtmltopdf_set_error_callback(converter, callback);
public int SetErrorCallback(IntPtr converter, StringCallback callback)
{
return(WkHtmlToXBindings.wkhtmltopdf_set_error_callback(converter, callback));
}